Liquid-solid exterior circulating fluidized bed heat exchanger can be used to evaporate and concentrate the extract of single-base powder when withdrawing nitrocellulose from it.
液固外循环流化床换热器可以用来蒸发浓缩单基药提取硝化棉的提取液。
2
Methods: The medicine materials is decoction distill and concentrate with liquid.
方法：药材共水煎煮提取、浓缩，制成安神汤。
3
Ther new technique is especially fit to treat flotation gold concentrate. The emulsified liquid membrane must be oil water (oil wrapped water) and contain flowing carrier.